The principles of pattern making, written specially for apprentices and students in technical schools (1900)
Horner, Joseph Gregory, 1847-1927 · London, New York, Pitman · leaf 97
ckness, and tested carefully with calipers, and thepitch lines, pitch, and thickuess of teeth—all divided G—(5159) 62 PRINCIPLES OF PATTERN MAKING. from the centre line ffoi the block, which also representsthe centre of the carrier of the machine,—are markedon one side. The centre line then is… … Fig. 64. Wheel with Arras of H Section. temporary slips are held or tacked in place to receivethe divider points. As the block is being workedthrough with chisel, gouge, and planes, much care istaken to preserve the faces straight by means of a thinnarrow straight-edge of hard wood, having its…
Patternmaking
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